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Starvation response and growth in serum of Fusobacterium nucleatum, Peptostreptococcus anaerobius, Prevotella intermedia, and Pseudoramibacter alactolyticus.
Umeå University, Faculty of Medicine, Odontology. Umeå University, Faculty of Medicine, Odontology, Endodontics.
Umeå University, Faculty of Medicine, Odontology. Umeå University, Faculty of Medicine, Odontology, Endodontics.
2009 (English)In: Oral surgery, oral medicine, oral pathology, oral radiology, and endodontics, ISSN 1079-2104, Vol. 108, no 1, 129-34 p.Article in journal (Refereed) Published
Abstract [en]

The microbiota inhabiting the untreated root canal differ markedly from those found in post-treatment disease, yet there is limited information on the microbial characteristics distinguishing the different infections. We hypothesized that starvation survival is a key microbial property in species selection. This study analyzed starvation-survival behavior over 60 days of species representative of the untreated root canal infection: Fusobacterium nucleatum, Peptostreptococcus anaerobius, Prevotella intermedia and Pseudoramibacter alactolyticus. All species did not survive 1 day in water. In 1% serum, the 4 species could not survive beyond 2-3 weeks. They required a high initial cell density and >or=10% serum to survive the observation period. The results highlight a poor starvation-survival capacity of these 4 species compared with species prevalent in post-treatment infection, which are well equipped to endure starvation and survive in low numbers on minimal serum. These findings point to starvation-survival capacity as a selection factor for microbial participation in post-treatment disease.

Place, publisher, year, edition, pages
2009. Vol. 108, no 1, 129-34 p.
Identifiers
URN: urn:nbn:se:umu:diva-31887DOI: 10.1016/j.tripleo.2009.03.018PubMedID: 19540450OAI: oai:DiVA.org:umu-31887DiVA: diva2:298086
Available from: 2010-02-21 Created: 2010-02-21 Last updated: 2010-02-21Bibliographically approved

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Brundin, MalinSjögren, Ulf

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CiteExportLink to record
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